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A submarine dives to a depth of 79 meters in the ocean. What is the force (in Newtons) acting on a hatch that has an area of 2.2 square meters? WARNING: do not use the information associated with Figure 4.26 to solve this problem because the round off error will cause you to get the wrong answer. Do not consider atmospheric pressure in your calculation, since the pressure inside of the submarine is maintained at 1 atmosphere, which offsets the 1 atmosphere of pressure that normally would be added to the gauge pressure.
Identify (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's total displacement measured from its starting direction.
the electrical force on a pair of charges is 60 n. if those same charges are moved such that the new force between them
A cylindrical solenoid of 0.4m length has a diameter of 10mm and 250 tightly wound turns of wire uniformly distributed along its length. Around the middle of the solenoid is a 2-turn rectangular loop 3 x 2 cm2 in size, entirely made of resistive w..
A railroad car of mass 3.3 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, How much kinetic energy is lost in the collision
A 4.5 cement block is blocking a prime parking spot at school. Lauren and Katie lift the block 0.9 m and then carry the block 2.7 m out of the way. Calculate the work done by the 2 girls and calculate the work done by the force of gravity
A horizontal 792-N merry-go-round is a solid disk of radius 1.43 m, Find the kinetic energy of the disk after 2.92 s
Determine the total amount of translational kinetic energy in a small classroom at normal room temperature. Suppose the room measures 5 meter by 12 meter by 3 meter
The owner of a van installs a rear-window lens that has a focal length of -0.295 m. When the owner looks out during the lens at a person standing directly behind the van, the person appears to be now 0.242 m from the back of the van, and appears to b..
in a interference experiment d 4mm l 1m the second maximum n 2 appears on the screen at a distance 4mm from the
A 7.0 kilogram object undergoes an acceleration of 1.8 m/s2. Find the magnitude of the resultant force acting on it
A father racing his son has three-fifths the kinetic energy of the son, who has half the mass of the father. What is the original speed of the son
An Olympic runner is at the starting gate and hears the starting gun, Using only acceleration, ai, and time, tr, write an expression for the runner's final speed, vr, when he crosses the finish line
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